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Question

CPCV=R. Is the given statement


A

True

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B

False

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Solution

The correct option is A

True


The enthalpy for one mole of ideal gas can be given as:
H=U+PV
and we know that,
PV = RT for 1 mole of gas
H=U+RT
Now by differentiating the above equation with respect to temperature we get:
dHdT=dUdT+R CP=(dHdT)P CV=(dUdT)V
CP=CV+R
CPCV=R


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